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Heterogeneity and Network Structure in the Dynamics of Diffusion: Comparing Agent-Based and Differential Equation Models

Rahmandad, Hazhir; Sterman, John - In: Management Science 54 (2008) 5, pp. 998-1014

When is it better to use agent-based (AB) models, and when should differential equation (DE) models be used? Whereas DE models assume homogeneity and perfect mixing within compartments, AB models can capture heterogeneity across individuals and in the network of interactions among them. AB...

Persistent link: https://www.econbiz.de/10009197996

Price Differentiation and Discrimination in Transport Networks

van der Weijde, Adriaan Hendrik - 2014

This paper analyzes the effects of price differentiation and discrimination by a monopolistic transport operator, which sets fares in a congestible network. Using three models, with different spatial structures, we describe the operator's optimal strategies in an unregulated market, a market...

Persistent link: https://www.econbiz.de/10010491328

Product Differentiation on Roads: Second-Best Congestion Pricing with Heterogeneity under Public and Private Ownership

Verhoef, Erik T.; Small, Kenneth A. - 1999

We explore the properties of various types of public and private pricing on acongested road network with heterogeneous users and allowing for elasticdemand. Heterogeneity is represented by a continuum of values of time. Thenetwork consists of both serial and parallel links, which allows us to...

Persistent link: https://www.econbiz.de/10010324676

The Economics of Airport Congestion Pricing

Pels, Eric; Verhoef, Erik - 2003

Conventional economic wisdom suggests that congestion pricing would be an appropriate response to cope with the growing … congestion levels currently experienced at many airports. Several characteristics of aviation markets, however, may make naive … congestion prices equal to the value of marginal travel delays a non-optimal response. This paper develops a model of airport …

Persistent link: https://www.econbiz.de/10010324757

Inside the Queue

Verhoef, Erik T. - 2002

, based on car-following theory. The model integrates twoarchetype congestion technologies used in the economics literature …: 'static flow congestion',originating in the works of Pigou, and 'dynamic bottleneck congestion', pioneered byVickrey. Because …

Persistent link: https://www.econbiz.de/10010324868

Simulation and Optimization of Trajectories in a Congested Network

Flötteröd, Gunnar; Nagel, Kai - Fachgebiet Wirtschafts- und Infrastukturpolitik (WIP), … - 2006

The subject of this article is twofold. Firstly it describes how a dynamic macroscopic network loading model can be used to simulate the movement of arbitrarily complex individual particles (agents) through a network without loss of the macroscopic model’s differentiability. Based on this...

Persistent link: https://www.econbiz.de/10005162801